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AM3894: Should I change reflow profile depends on the lead finish?

Part Number: AM3894

Hello TI experts,

My customer now considers AM3894CCYGA120 because of the delivery issue of AM3894CCYG120.

As you know, lead finish of these 2 parts would be different.

Is there any changes or considerations in reflow profile during SMT operation, if lead finish is different?

please check this issue. Thanks.

Best regards,

Chase

  • Hello Chase,

    I have a query out with the engineering team regarding this. I wouldn't expect that it changes, but I am not an expert for this topic and I am waiting for confirmation from our engineering team.

    Best Regards,

    Ralph Jacobi

  • Dear Ralph,

    Thank you for your support. Please let me know if there are any updates.

    Best regards,

    Chase

  • Hello Chase,

    As you know, lead finish of these 2 parts would be different.

    Actually that is not true, I've been informed by the engineering team that there is no difference in the lead finish between these product variants.

    The only difference is the specified temperature range which is wider for the AM3894CCYGA120 as you can see on the product page.

    You can use the same processes with the AM3894CCYGA120 device.

    Best Regards,

    Ralph Jacobi

  • Dear Ralph,

    Thank you for your support.

    so you mean that "Call TI" means SNAGCU, same as AM3894CCYGA120?

    Please confirm it for the lash for me. Thanks.

    Best regards,

    Chase

  • Hello Chase,

    Both AM3894CCYG120 and AM3894CCYGA120 use the same SNAGCU lead finish. You can consider this forum post as 'calling TI' and getting our technical answer for the lead finish details.

    Honestly I'm not really sure why the product page and datasheet both have that 'Call TI' remark given they are confirmed to be identical by our engineering teams who handle the manufacturing flow for these devices. I don't have much background with these devices to understand the logic (or lack thereof) of that marking.

    Best Regards,

    Ralph Jacobi